Quod erat demonstrandum

A scholar of mathematics would like to publish his research outside Ceaucescu's Romania, but getting it through the border and the State censorship is not easy.

• Andrei GruzsniczkiDirector
• Andrei GruzsniczkiWriter

• Ofelia PopiiElena Buciuman
• Florin Piersic Jr.Aurel Voican
• Sorin LeoveanuSorin Pârvu
• Medeea MarinescuVoican's wife
• Tora VasilescuPârvu's mother
• Mihai Călinteacher Dima
• Șerban PavluBucur, the driver
• Andreea Vasileangry woman
• George Alexandrucolonel Deleanu